From: Jan Safranek <jsafrane@redhat.com>
Date: Tue, 22 Dec 2009 08:24:04 +0000 (+0100)
Subject: Make cgclear quiert when there is nothing to clear.
X-Git-Tag: v0.35~8^2~2
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=054e8bb87a19d9a69d6c4ea509a8d2d4cb70aa01;p=thirdparty%2Flibcgroup.git

Make cgclear quiert when there is nothing to clear.

Cgclear clears and unmounts all controllers. Therefore I think it's not an
error when there is nothing to clear and unmount.

Signed-off-by: Jan Safranek <jsafrane@redhat.com>
---

diff --git a/src/tools/cgclear.c b/src/tools/cgclear.c
index 14857683..c2862728 100644
--- a/src/tools/cgclear.c
+++ b/src/tools/cgclear.c
@@ -27,6 +27,9 @@ int main(int argc, char *argv[])
 	int error;
 
 	error = cgroup_unload_cgroups();
+	/* Don't spit an error when there is nothing to clear. */
+	if (error == ECGROUPNOTMOUNTED)
+		error = 0;
 
 	if (error) {
 		printf("%s failed with %s\n", argv[0], cgroup_strerror(error));